American Psychiatric Association. (1994). Diagnostic and statistical manual of mental disorders (4th edn.). Washington, DC: Author.
Baer, L. (1994). Factor analysis of symptom subtypes of obsessive–compulsive disorder and their relation to personality and tic disorders. Journal of Clinical Psychiatry, 55, 18–23.
Ball, S. G., Baer, L., & Otto, M. W. (1996). Symptom subtypes of obsessive–compulsive disorder in behavioral treatment studies: A quantitative review. Behaviour Research and Therapy, 34, 47–51.
Black, D. W., Monahan, P., Gable, J., Blum, N., Clancy, G., & Baker, P. (1998). Hoarding and treatment response in 38 nondepressed subjects with obsessive-compulsive disorder. Journal of Clinical Psychiatry, 59, 420–425.
Calamari, J. E., Wiegartz, P. S., & Janeck, A. S. (1999). Obsessive–compulsive disorder subgroups: A symptom-based clustering approach. Behaviour Research and Therapy, 37, 113–125.
Christenson, D. D., & Greist, J. H. (2001). The challenge of obsessive–compulsive disorder hoarding. Primary Psychiatry, 8, 79–86.
Duffany, S. R., Hartl, T. L., Allen, G. J., & Frost, R. O. (2002). Relationships among compulsive hoarding, trauma, and attention deficit hyperactivity disorder. Unpublished manuscript.
Eslinger, P. J., & Damasio, A. R. (1985). Severe disturbance of higher cognition after frontal lobe ablation: Patient EVR. Neurology, 35, 1731–1741.
Faber, H. (1947, April 9). Body of Collyer is found near where brother died. New York Times, pp. A1, A22.
Finkel, S., Costa, E., Silva, J., Cohen, G., Miller, S., & Sartorius, N. (1997). Behavioral and psychological signs and symptoms of dementia: A consensus statement on current knowledge and implications for research and treatment. International Journal of Geriatric Psychiatry, 12, 1060–1061.
Foa, E. B., Kozak, M. J., Salkovskis, P. M., Coles, M. E., & Amir, N. (1998). The validation of a new obsessive–compulsive disorder scale: The Obsessive–Compulsive Inventory. Psychological Assessment, 10, 206–214.
Frankenberg, F. R. (1984). Hoarding in anorexia nervosa. British Journal of Medical Psychology, 57, 57–60.
Freud, S. (1908). Collected papers (Vol. 2). London: Hogarth.
Fromm, E. (1947). Man for himself: An inquiry into the psychology of ethics. New York: Rinehart.
Frost, R. O., & Gross, R. C. (1993). The hoarding of possessions. Behaviour Research and Therapy, 31, 367–381.
Frost, R. O., & Hartl, T. (1996). A cognitive–behavioral model of compulsive hoarding. Behaviour Research and Therapy, 34, 341–350.
Frost, R. O., Kim, H., Morris, C., Bloss, C., Murray-Close, M., & Steketee, G. (1998). Hoarding, compulsive buying, and reasons for saving. Behaviour Research and Therapy, 36, 657–664.
Frost, R. O., Krause, M., & Steketee, G. (1996). Hoarding and obsessive–compulsive symptoms. Behavior Modification, 20, 116–132.
Frost, R. O., Meagher, B. M., & Riskind, J. H. (2001). Obsessive–compulsive features in pathological lottery and scratch-ticket gamblers. Journal of Gambling Studies, 17, 5–19.
Frost, R. O., & Shows, D. (1993). The nature and measurement of compulsive indecisiveness. Behaviour Research and Therapy, 31, 683–692.
Frost, R. O., & Steketee, G. (1998). Hoarding: Clinical aspects and treatment strategies. In M. A. Jenike, L. Baer, & W. E. Minichiello (Eds.), Obsessive–compulsive disorder: Practical management (3rd edn., pp. 533–554) St. Louis, MO: Mosby Yearbook Medical.
Frost, R. O., & Steketee, G. (2002). Cognitive and behavioral treatment of compulsive hoarding. Unpublished manuscript.
Frost, R. O., Steketee, G., & Grisham, J. (in press). Measurement of compulsive hoarding: Saving Inventory Revised. Behaviour Research and Therapy.
Frost, R. O., Steketee, G., & Williams, L. (2000). Hoarding: A community health problem. Health and Social Care in the Community, 8, 229–234.
Frost, R. O., Steketee, G., & Williams, L. F. (2002). Compulsive buying, compulsive hoarding, and obsessive–compulsive disorder. Behavior Therapy, 33, 201–214.
Frost, R. O., Steketee, G., Williams, L. F., & Warren, R. (2000). Mood, personality disorder symptoms, and disability in obsessive–compulsive hoarders: A comparison with clinical and nonclinical controls. Behaviour Research and Therapy, 38, 1071–1081.
Frost, R. O., Steketee, G., Youngren, V. R., & Mallya, G. K. (1999). The threat of the housing inspector: A case of hoarding. Harvard Review of Psychiatry, 6, 270–278.
Goodman, W. K., Price, L. H., Rasmussen, S. A., Mazure, C., Fleischmann, R. L., Hill, C. L., et al. (1989). Yale–Brown Obsessive–Compulsive Scale: Part I. Development, use, and reliability. Archives of General Psychiatry, 46, 1006–1011.
Greenberg, D., Witzum, E., & Levy, A. (1990). Hoarding as a psychiatric symptom. Journal of Clinical Psychiatry, 51, 417–421.
Grisham, J. R., Brown, T. A., Liverant, G., & Campbell, L. A. (2004). The distinctiveness of hoarding from other dimensions of obsessive–compulsive disorder. Unpublished manuscript.
Grisham, J. R., Frost, R. O., Steketee, G., Kim, H.-J., & Hood, S. (2003). Age of onset and course of compulsive hoarding. Unpublished manuscript.
Hahm, D. S., Kang, Y., Cheong, S. S., & Na, D. L. (2001). A compulsive collecting behavior following an A-com aneurysmal rupture. Neurology, 56, 398–400.
Harlow, J. M. (1868). Recovery from the passage of an iron bar through the head. Publications of the Massachusetts Medical Society, 2, 327–347.
Hartl, T. L., & Frost, R. O. (1999). Cognitive–behavioral treatment of compulsive hoarding: A multiple baseline experimental case study. Behaviour Research and Therapy, 37, 451–461.
Hartl, T. L., Savage, C. R., Frost, R. O., Allen, G. J., Deckersbach, T., Steketee, G., et al. (2002). Actual and perceived memory deficits among individuals with hoarding symptoms. Under editorial review.
Hwang, J., Tsai, S., Yang, C., Liu, K., & Ling, J. (1998). Hoarding behavior in dementia: A preliminary report. American Journal of Geriatric Psychiatry, 6, 285–289.
James, W. (1918). The principles of psychology (Vol. 2). New York: Dover.
Leckman, J. F., Grice, D. E., Boardman, J., Zhang, H., Vitale, A., Bondi, C., et al. (1997). Symptoms of obsessive–compulsive disorder. American Journal of Psychiatry, 154, 911–917.
Luchins, D., Goldman, M. B., Lieb, M., & Hanrahan, P. (1992). Repetitive behaviors in chronically institutionalized schizophrenic patients. Schizophrenia Research, 8, 119–123.
Mataix-Cols, D., Baer, L., Rauch, S., & Jenike, M. (2000). Relation to factor analyzed symptom dimensions of obsessive–compulsive disorder to personality disorders. Acta Psychiatrica Scandinavica, 102, 199–202.
Mataix-Cols, D., Rauch, S., Manzo, P., Jenike, M., & Baer, L. (1999). Use of factor-analyzed symptom dimensions to predict outcome with serotonin reuptake inhibitors and placebo in the treatment of obsessive–compulsive disorder. American Journal of Psychiatry, 156, 1409–1416.
McElroy, S. L., Keck, P. E., & Phillips, K. A. (1995). Kleptomania, compulsive buying, and binge-eating disorder. Journal of Clinical Psychiatry, 56(Suppl. 4), 14–26.
Miller, W. R., & Rollnick, S. (2002). Motivational Interviewing: Preparing people for change. (2nd ed.). New York: Guilford Press.
Samuels, J., Bienvenu, O. J., III, Riddle, M. A., Cullen, B. A. M., Grados, M. A., Liang, K. Y., et al. (2002). Hoarding in obsessive–compulsive disorder: Results from a case-control study. Behaviour Research and Therapy, 40, 517–528.
Saxena, S., Maidment, K. M., Vapnik, T., Golden, G., Rishwain, T., Rosen, R., et al. (2002). Obsessive–compulsive hoarding: Symptom severity and response to multimodal treatment. Journal of Clinical Psychiatry, 63, 21–27.
Sobin, C., Blundell, M. L., Weiller, F., Gavigan, C., Haiman, C., & Karayiorgou, M. (2000). Evidence of a schizotypy subtype in OCD. Journal of Psychiatric Research, 34, 15–24.
Steketee, G., Frost, R. O., & Kim, H.-J. (2001). Hoarding by elderly people. Health and Social Work, 26, 176–184.
Steketee, G., Frost, R. O., & Kyrios, M. (2003). Beliefs about possessions among compulsive hoarders. Cognitive Therapy and Research.
Steketee, G., Frost, R. O., Wincze, J., Greene, K., & Douglass, H. (2000). Group and individual treatment of compulsive hoarding: A pilot study. Behavioural and Cognitive Psychotherapy, 28, 259–268.
Summerfeldt, L. J., Richter, M. A., Antony, M. M., & Swinson, R. P. (1999). Symptoms structure in obsessive–compulsive disorder: A confirmatory factor-analytic study. Behaviour Research and Therapy, 37, 297–311.
White, L. E., Krause, E. M. S., Williams, A., Frost, R., Steketee, G., & Kyrios, M. (2000). Attachment deficits in compulsive hoarding: Implications for theory and treatment. Poster presented at the Annual Convention of the American Association of Behavior Therapy, New Orleans, LA.
Wincze, J., Steketee, G., & Frost, R. (2002). Categorization in obsessive–compulsive hoarding. Unpublished manuscript.
Winsberg, M. E., Cassic, K. S., & Koran, L. M. (1999). Hoarding in obsessive–compulsive disorder: A report of 20 cases. Journal of Clinical Psychiatry, 60, 591–597.